13231707445 has 32 divisors (see below), whose sum is σ = 18244575360. Its totient is φ = 9110880000.

The previous prime is 13231707367. The next prime is 13231707473. The reversal of 13231707445 is 54470713231.

It is not a de Polignac number, because 13231707445 - 2¹³ = 13231699253 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2318095 + ... + 2323795.

It is an arithmetic number, because the mean of its divisors is an integer number (570142980).

Almost surely, 2^13231707445 is an apocalyptic number.

It is an amenable number.

13231707445 is a deficient number, since it is larger than the sum of its proper divisors (5012867915).

13231707445 is a wasteful number, since it uses less digits than its factorization.

13231707445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 13231707445 in words is "thirteen billion, two hundred thirty-one million, seven hundred seven thousand, four hundred forty-five".